What kind of oil goes in a lower unit?
You can use any brand of lubricant that has a grade designation of API GL5 SAE 80 or 90 weight. Make sure you do not mix different oil brands or weights. into the BOTTOM drain hole. Then slowly squeeze the bottle to force the oil into the lower unit.
How much oil does a MerCruiser lower unit hold?
| Brand | Model | Oz./Qts. |
|---|---|---|
| MerCruiser | Alpha One Gen II | 1.22 US Quarts |
| MerCruiser | Alpha One Gen II | 2.0 US Quarts |
| MerCruiser | Alpha One Gen II | 1.75 US Quarts |
| MerCruiser | Bravo One | 2.0 US |
Is lower unit oil the same as gear oil?
Lower units contain hypoid gears (think ring and pinion, like a car differential) so they demand extreme pressure additives. The marine gear oil you choose will depend on the size of your marine engine. Consult your engine’s manual and look for the proper marine gear lube for your application.
How often should I change my lower unit oil?
once a year
Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year (whichever comes first). Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage.
Why is my lower unit oil milky?
That milky color and consistency is most likely due to water intrusion. It will not break down from use and get lighter, like other oils as it breaks down and gets used it darkens. Time to change seals and when you do your water pump do the whole kit and not just the impeller.
What is SAE 90 gear oil?
Phillips 66® Transmission Oil SAE 90 is an SAE 90 mineral oil gear lubricant recommended for use in manual transmissions, transfer cases and rear axle assemblies of automotive, farm and off-highway equipment where the manufacturer specifies an API GL-1 gear oil.
Is Quicksilver High Performance gear lube Synthetic?
As a matter of fact, all new Mercury outboards and Mercruiser Sterndrives are now pretreated with Quicksilver gear lube. Features: Specialized synthetic additives protect gears from abrasive metal-on-metal contact.
Is SAE 90 the same as 80W-90?
Can I use SAE 80W-90 instead of SAE 90w? Yes it is the same… close enough anyway. SAE 90 gear oil is equivalent to 50wt engine oil (SAE 80 = 30wt), so you could always dump that in instead if you want.
What weight is Yamaha lower unit oil?
2.00 Lbs. Features: Marine Lower Unit Gearcase Lube is a superior marine lubricant designed to protect gearcase components. SAE 80W-90.
Can you overfill lower unit oil?
To answer, yes you can. I have seen guys that will pump it till the oil comes out the top which is correct, but will then put the top screw in & then give a few more pumps for “good measure”. This usually causes overfilling as well as a slight pressurizing if they get that bottom screw in real fast.
Can you remove the lower unit on a 120 hp force?
Removing the lower unit of the Force 120-horsepower outboard motor, regardless of the reason for the removal, offers multiple maintenance opportunities. You can change the oil and inspect its condition, in addition to whatever required you to remove the lower unit in the first place.
What kind of lube do I need to change lower unit oil?
For older Johnson/Evinrude outboards (1962-72) with electric shift, you’ll need Premium Type C Lube. Changing the Lower Unit Oil The lower drain/fill plug screw is usually located on the starboard side of the lower unit, beneath the “bullet-shaped” portion of the lower unit housing.
Where is the lower unit oil drain plug?
The lower drain/fill plug screw is usually located on the starboard side of the lower unit, beneath the “bullet-shaped” portion of the lower unit housing. Locate your drain/fill plug screw and adjust the trim/tilt of your outboard motor or sterndrive so that this plug is in the lowest position possible in order to drain the used oil thoroughly.
Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year (whichever comes first). Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage. Servicing the lower unit is a simple job that you can easily do yourself.